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// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_GPU_GPU_BACKING_STORE_GLX_H_
#define CHROME_GPU_GPU_BACKING_STORE_GLX_H_
#pragma once
#include "app/surface/transport_dib.h"
#include "base/basictypes.h"
#include "base/process.h"
#include "gfx/size.h"
#include "ipc/ipc_channel.h"
#include "gfx/size.h"
class GpuViewX;
class GpuThread;
class SkBitmap;
class GpuBackingStoreGLX : public IPC::Channel::Listener {
public:
GpuBackingStoreGLX(GpuViewX* view,
GpuThread* gpu_thread,
int32 routing_id,
const gfx::Size& size);
~GpuBackingStoreGLX();
const gfx::Size& size() const { return size_; }
const gfx::Size& texture_size() const { return texture_size_; }
unsigned int texture_id() const { return texture_id_; }
// IPC::Channel::Listener implementation.
virtual void OnMessageReceived(const IPC::Message& message);
virtual void OnChannelConnected(int32 peer_pid);
virtual void OnChannelError();
private:
// Message handlers.
void OnPaintToBackingStore(base::ProcessId source_process_id,
TransportDIB::Id id,
const gfx::Rect& bitmap_rect,
const std::vector<gfx::Rect>& copy_rects);
void OnScrollBackingStore(int dx, int dy,
const gfx::Rect& clip_rect,
const gfx::Size& view_size);
void PaintOneRectToBackingStore(const SkBitmap& transport_bitmap,
const gfx::Rect& bitmap_rect,
const gfx::Rect& copy_rect);
GpuViewX* view_;
GpuThread* gpu_thread_;
int32 routing_id_;
gfx::Size size_;
unsigned int texture_id_; // 0 when uninitialized.
// The size of the texture loaded into GL. This is 0x0 when there is no
// texture loaded. This may be different than the size of the backing store
// because we could have been resized without yet getting the updated
// bitmap.
gfx::Size texture_size_;
DISALLOW_COPY_AND_ASSIGN(GpuBackingStoreGLX);
};
#endif // CHROME_GPU_GPU_BACKING_STORE_GLX_H_
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